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Monthly climate in Manson, Washington, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Manson features a humid continental climate (Dsb).Temperatures typically range between -4 °C (26 °F) and 18 °C (65 °F) through the year, but rarely can drop to -21 °C (-5 °F) or can rise to as high as 37 °C (100 °F).The average annual precipitation amounts to about 760 mm (29.9 inches) and receives 112 rainy days on the 1 mm (0.04 inches) threshold annually.Manson enjoys an average of 3009 hours of sunshine throughout the year, and daylight varies from 8 hours 26 minutes to 15 hours 56 minutes per day.

Monthly average temperatures in Manson, Washington, United States §

The warmest months in Manson are June, July and August, with daily mean temperatures ranging from 14 to 18 °C (58 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -3 °C (26 - 27 °F) throughout the day. On average each year, Manson experiences 40 days above 25 °C (77.0 °F) and 154 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Manson, Washington, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 5°C
(41°F)		 7°C
(45°F)		 15°C
(59°F)		 21°C
(70°F)		 27°C
(80°F)		 37°C
(100°F)		 36°C
(97°F)		 34°C
(94°F)		 32°C
(90°F)		 23°C
(73°F)		 12°C
(53°F)		 11°C
(52°F)
Mean maximum 3°C
(39°F)		 5°C
(42°F)		 11°C
(52°F)		 16°C
(61°F)		 24°C
(76°F)		 28°C
(82°F)		 32°C
(90°F)		 33°C
(92°F)		 28°C
(82°F)		 17°C
(63°F)		 11°C
(52°F)		 5°C
(42°F)
Average high -1°C
(31°F)		 -0°C
(32°F)		 5°C
(41°F)		 9°C
(49°F)		 16°C
(62°F)		 21°C
(69°F)		 26°C
(78°F)		 26°C
(78°F)		 19°C
(67°F)		 10°C
(51°F)		 4°C
(39°F)		 -1°C
(31°F)
Daily mean -3°C
(26°F)		 -4°C
(26°F)		 1°C
(33°F)		 4°C
(40°F)		 10°C
(51°F)		 14°C
(58°F)		 18°C
(65°F)		 18°C
(65°F)		 13°C
(56°F)		 6°C
(42°F)		 1°C
(34°F)		 -3°C
(27°F)
Average low -6°C
(22°F)		 -7°C
(20°F)		 -3°C
(26°F)		 -0°C
(31°F)		 4°C
(40°F)		 8°C
(46°F)		 10°C
(51°F)		 11°C
(52°F)		 8°C
(46°F)		 1°C
(35°F)		 -2°C
(29°F)		 -5°C
(23°F)
Mean minimum -14°C
(8°F)		 -16°C
(3°F)		 -11°C
(13°F)		 -6°C
(21°F)		 -1°C
(30°F)		 3°C
(37°F)		 6°C
(42°F)		 5°C
(42°F)		 2°C
(36°F)		 -5°C
(24°F)		 -7°C
(20°F)		 -13°C
(9°F)
Minimum -20°C
(-4°F)		 -21°C
(-5°F)		 -15°C
(6°F)		 -8°C
(17°F)		 -3°C
(27°F)		 1°C
(34°F)		 4°C
(40°F)		 4°C
(40°F)		 -0°C
(32°F)		 -9°C
(16°F)		 -11°C
(12°F)		 -17°C
(1°F)

Compare climate in Manson with other places

Compare temperature, precipitation, sunshine, UV index in Manson, Washington, United States with other places around the world.

Monthly average precipitation in Manson, Washington, United States §

Manson usually has the most precipitation in January, February and December, with an average of 14 rainy days and 114 mm (4.5 inches) of precipitation per month.The driest months in Manson are June, July and August. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Manson, Washington, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 119 (4.7) 102 (4.0) 67 (2.6) 52 (2.1) 42 (1.7) 24 (0.9) 7 (0.3) 7 (0.3) 37 (1.5) 83 (3.3) 100 (3.9) 120 (4.7)
Average precipitation days (≥ 1 mm) 14 14 11 9 8 6 1 2 7 10 15 15

Monthly sunshine hours in Manson, Washington, United States §

The sunniest months in Manson are June, July and August, when the sun shines an average of 12 hours 25 minutes a day.Least sunny months in Manson: January, November and December receive an average of 3 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Manson, Washington, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 90 155 236 277 348 369 413 360 282 224 140 109
Mean daily daylight hours 8h 53m 10h 15m 11h 57m 13h 41m 15h 11m 15h 56m 15h 31m 14h 10m 12h 30m 10h 46m 9h 14m 8h 26m

Solar UV radiation in Manson, Washington, United States §

Manson experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Manson UV Index data.

Average daily maximum UV levels by month for Manson, Washington, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 4 6 7 9 10 9 9 7 5 3 2